CN202334715U - Elastic support structure for optical image vibration prevention device and optical image vibration prevention device - Google Patents
Elastic support structure for optical image vibration prevention device and optical image vibration prevention device Download PDFInfo
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- CN202334715U CN202334715U CN2011204527909U CN201120452790U CN202334715U CN 202334715 U CN202334715 U CN 202334715U CN 2011204527909 U CN2011204527909 U CN 2011204527909U CN 201120452790 U CN201120452790 U CN 201120452790U CN 202334715 U CN202334715 U CN 202334715U
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Abstract
The utility model discloses an elastic support structure for an optical image vibration prevention device as well as the optical image vibration prevention device. The optical image vibration prevention device comprises a motion part, a compensation component and a plurality of ring lines, wherein a lens is arranged in the motion part; the compensation component and the motion part are corresponding to each other and arranged on a same camera optical axis; the two ends of some ring lines are respectively combined with the motion part and the compensation component; an upper reed is arranged on the motion part; and one ends of some ring lines are respectively combined on an outer chord line and at least one additional auxiliary line of the upper reed which is prolonged, and the other ends of some ring lines are connected with the compensation component, so that the motion part and the compensation component are corresponding to each other and separated from each other at a preset distance.
Description
Technical field
The utility model is the elastic support structure about a kind of optical image vibration abatement, refer to especially a kind of in order to improve lens assembly when falling the permanent deformation that possibly cause, reach the purpose of strengthening the shatter-proof degree of this lens assembly.
Background technology
Because the progress of science and technology makes the volume of digital camera dwindle day by day, and present numerous compact electronic device; Like mobile phone, nearly all build the function that is equipped with the numerical digit shooting, these all give the credit to the microminiaturization of lens assembly; Yet it is voice coil motor (VCM) that the micro-lens that is adopted now generally is used maximum, and it utilizes the combination of coil magnet and shell fragment; Move forward and backward in the shooting optical axis direction to carry a camera lens, reaching the function of automatic focusing or zoom, and also improve gradually for the requirement of shooting quality and function; For example: functions such as ten million pixel, anti-hand shake, more to distinguish different at a distance from high-order camera and low order.
In an optical system that is constituted by lens assembly and image compensation assembly; The optical system of camera or video camera etc. for example; Regular meeting is because the shake when external force factor or handheld camera or video camera; And cause the vibrations skew of light path and make that the imaging on the image compensation assembly is unstable, and then cause taken image fog unclear.Modal settling mode provides a compensation mechanism to this type of because of shaking the image fog phenomenon that is caused exactly, make the image definitionization that is captured, and this kind compensation mechanism can be numerical digit compensation mechanism or optical compensation mechanism.
So-called numerical digit compensation mechanism, the digital image data that exactly the image compensation assembly is captured is analyzed and is handled, and to obtain digital image comparatively clearly, such mode also often is called as the shockproof mechanism of numerical digit.As for optical compensation mechanism, then normally on optical lens group or image compensation assembly, vibration-compensated device is set and such mode also often is called as the shockproof mechanism of optics.Yet; The present known shockproof mechanism of optics; Involve complicacy or the heavy mechanism or the element of big volume mostly, thus complicated, the assembling difficulty of possessing skills, cost is higher or volume can't further dwindle shortcoming more, and the space of further improvement is arranged.
As shown in Figure 1, for having the optical compensation schematic diagram of mechanism that TOHKEMY 2002-207148 patent is disclosed now.Utilize the material 400a～403a of flexible portion of formations such as metal steel wire to carry the circuit substrate 301a of a CIS 300a; As with the moving of optical axis 201a vertical direction; And the X axle between camera lens part material 203a (containing lens 200a and lens maintaining part 202a) and circuit substrate 301a and the displacement of Y axle are sent to a shockproof control part 504a through two relative displacement sensor 500a, 501a and a position mobile detection device 503a; Control one is moved drive division 502a according to the corresponding motion of its this circuit substrate of displacement driving 301a do with optical axis 201a vertical direction, prevents the fuzzy image that CIS 300a produces because of vibrations.
Yet; TOHKEMY 2002-207148 patent is a kind of notion kenel patent that can prevent to shake because of hand the image fog that produces; The designer of the utility model utilizes similar notion; And the automatic focusing of combination assembly; The X axle and the lateral shift of Y axle that not only has opposing hand shake to be produced designed in research and development, and permanent (plasticity) that has more this camera lens part Z-direction that material results from when preventing to fall (with the shooting optical axis direction) is out of shape, and reaches reinforcement and more can resist the vibrations that shock of a fall produces.
Summary of the invention
The utility model main purpose is the elastic support structure that is to provide a kind of optical image vibration abatement; The intensity of the outer string of a musical instrument through setting up auxiliary this upper reed plate of an extra boost line reaches and prevents that optical lens from causing the purpose of the optical axis direction plastic deformation of making a video recording when falling.
For reaching above-mentioned purpose; The utility model provides a kind of elastic support structure of optical image vibration abatement; This optical image vibration abatement includes a movable part, a compensation assembly and a plurality of first flexible member (below be called the suspension ring line), and definition has an orthogonal X axle, a Y axle and a Z-direction on this optical image vibration abatement; Be provided with a camera lens in this movable part, this camera lens definition has a shooting optical axis, and the optical axis of should making a video recording is parallel with this Z axle; The two ends of this first flexible member out of the ordinary are connected to this movable part and this compensation assembly, and this movable part is fixed on this compensation assembly along this Z-direction suspention; Be provided with at least one second flexible member in this movable part; This second flexible member has: be incorporated into this movable part an outer frame, be incorporated into this camera lens an inside casing portion, extend and be connected at least one between this outer frame and the inside casing portion string of a musical instrument and be positioned at a plurality of connecting ends on this outer frame, distinctly an end of this first flexible member is combined in respectively on this connecting end corresponding with it; Wherein:
In relying on outside one the string of a musical instrument and at least one extra boost line to be connected between this connecting end out of the ordinary of this second flexible member and this outer frame respectively; This outer string of a musical instrument all is to be connected in this connecting end with an end of this extra boost line, and the other end of this outer string of a musical instrument and this extra boost line then is to be connected this outer frame.
The elastic support structure of described optical image vibration abatement, wherein, the length of this extra boost line is greater than the length of this outer string of a musical instrument; Element or integrated single element that this second flexible member and a plurality of this first flexible member are independent separate; This first flexible member is a suspension ring line, and the structure of this suspension ring line is the single line shape structure of extending along this Z-direction, has the suspension ring line structure of S-shaped circuitous flexible portion repeatedly or have the suspension ring line structure of the flexible portion of spring-like in the shape of a spiral.
The elastic support structure of described optical image vibration abatement; Wherein, This second flexible member is a reed; This outer frame of this reed is to be a square structure and to have at least two adjacent side, and distinctly this connecting end is a nearly corner positions that lays respectively at this square outer frame, and should outer string of a musical instrument and this extra boost line be respectively to be connected on the two adjacent different sides of this outer frame.
The elastic support structure of described optical image vibration abatement, wherein, described this reed is a upper reed plate, and this movable part is an automatic focusing assembly, it comprises:
One pedestal;
One lens bearing seat is arranged in this pedestal;
One coil is arranged at the periphery of this lens bearing seat;
A plurality of magnet are positioned at the peripheral region of this pedestal, and corresponding with this coil; These a plurality of magnet and this coil be collaborative to be constituted an electromagnetic drive component and can drive this lens bearing seat and move along this shooting optical axis direction;
One camera lens is positioned on this shooting optical axis, and is arranged in this lens bearing seat;
One upper cover plate is covered on this lens bearing seat;
One insulating trip is between this upper cover plate and this upper reed plate;
Once reed is positioned at this pedestal, and with this upper reed plate this lens bearing seat is given resilient clamp;
One magnet fixture is arranged at the bottom of this pedestal, and corresponding with this compensation assembly;
Two X axle magnet are relatively arranged on this magnet fixture; And
Two Y axle magnet are relatively arranged on this magnet fixture, and are positioned at the adjacent side of two X axle magnet;
And this compensation assembly is an optics shockproof assembly and comprises:
One substrate has a circuit loop and corresponding with this pedestal;
One correcting circuit plate is incorporated on this substrate, and is electrically connected with this substrate;
Two X axle magnet drives coils are relatively arranged on this correcting circuit plate, and corresponding with two X axle magnet;
Two Y axle magnet drives coils are relatively arranged on this correcting circuit plate, and are positioned at the adjacent side of two X axle magnet drives coils, and corresponding with two Y axle magnet;
One X axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two X axle magnet; And
One Y axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two Y axle magnet;
Wherein, this X axial displacement sensor and Y axial displacement sensor are following one of them displacement sensing elements that is constituted: Hall sensor (Hall Sensor), mistor sensor (MR Sensor), magnetic flux sensor (Fluxgate), optical position sensor, and optical encoder (Optical Encoder).
The elastic support structure of described optical image vibration abatement, wherein, these many suspension ring lines and this upper reed plate and this time reed have conductivity, as transmitting this call wire of the drive current of focusing assembly automatically; And this optical image vibration abatement more comprises a sensing component; This sensing component is positioned at this compensation assembly below, and this sensing component more comprises: a circuit board and an Image Sensor; Wherein, this Image Sensor is arranged on this circuit board, and is positioned on the same shooting optical axis with this movable part.
The utility model also provides a kind of optical image vibration abatement, and definition has an orthogonal X axle, a Y axle and a Z-direction and includes on this optical image vibration abatement:
One movable part, being provided with its definition of a camera lens in this movable part has a shooting optical axis, and the optical axis of should making a video recording is parallel with this Z axle;
One compensation assembly, it is an optics shockproof assembly, is used to compensate the displacement that this camera lens is caused because of vibrations on this Y axle and this Z axle two directions at least; And
A plurality of first flexible members, distinctly the two ends of this first flexible member are connected to this movable part and this compensation assembly, and this movable part is fixed on this compensation assembly along this Z-direction suspention;
Wherein, Be provided with at least one second flexible member (to call reed in the following text) in this movable part; This second flexible member has: be incorporated into this movable part an outer frame, be incorporated into this camera lens an inside casing portion, extend and be connected at least one between this outer frame and the inside casing portion string of a musical instrument and be positioned at a plurality of connecting ends on this outer frame, distinctly an end of this first flexible member is combined in respectively on this connecting end corresponding with it; And; Rely on an outer string of a musical instrument and at least one extra boost line to be connected respectively between this connecting end out of the ordinary of this second flexible member and this outer frame, an end of this outer string of a musical instrument and this extra boost line all is that the other end that is connected in this connecting end and this outer string of a musical instrument and this extra boost line then is to be connected this outer frame.
Described optical image vibration abatement, wherein, the length of this extra boost line is greater than the length of this outer string of a musical instrument; And, element or integrated single element that this second flexible member and a plurality of this first flexible member are independent separate; This first flexible member is a suspension ring line, and the structure of this suspension ring line is the single line shape structure of extending along this Z-direction, has the suspension ring line structure of S-shaped circuitous flexible portion repeatedly or have the suspension ring line structure of the flexible portion of spring-like in the shape of a spiral.
Described optical image vibration abatement; Wherein, This second flexible member is a reed; This outer frame of this reed is to be a square structure and to have at least two adjacent side, and distinctly this connecting end is a nearly corner positions that lays respectively at this square outer frame, and should outer string of a musical instrument and this extra boost line be respectively to be connected on the two adjacent different sides of this outer frame.
Described optical image vibration abatement, wherein, described this reed is a upper reed plate, and this movable part is an automatic focusing assembly, it comprises:
One pedestal;
One lens bearing seat is arranged in this pedestal;
One coil is arranged at the periphery of this lens bearing seat;
A plurality of magnet are positioned at the peripheral region of this pedestal, and corresponding with this coil; These a plurality of magnet and this coil be collaborative to be constituted an electromagnetic drive component and can drive this lens bearing seat and move along this shooting optical axis direction;
One camera lens is positioned on this shooting optical axis, and is arranged in this lens bearing seat;
One upper cover plate is covered on this lens bearing seat;
One insulating trip is between this upper cover plate and this upper reed plate;
Once reed is positioned at this pedestal, and with this upper reed plate this lens bearing seat is given resilient clamp;
One magnet fixture is arranged at the bottom of this pedestal, and corresponding with this compensation assembly;
Two X axle magnet are relatively arranged on this magnet fixture; And
Two Y axle magnet are relatively arranged on this magnet fixture, and are positioned at the adjacent side of two X axle magnet;
And this compensation assembly is an optics shockproof assembly and comprises:
One substrate has a circuit loop and corresponding with this pedestal;
One correcting circuit plate, be incorporated into this substrate on, and be electrically connected with this substrate;
Two X axle magnet drives coils are relatively arranged on this correcting circuit plate, and corresponding with two X axle magnet;
Two Y axle magnet drives coils are relatively arranged on this correcting circuit plate, and are positioned at the adjacent side of two X axle magnet drives coils, and corresponding with two Y axle magnet;
One X axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two X axle magnet; And
One Y axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two Y axle magnet;
Wherein, this X axial displacement sensor and Y axial displacement sensor are following one of them displacement sensing elements that is constituted: Hall sensor (Hall Sensor), mistor sensor (MR Sensor), magnetic flux sensor (Fluxgate), optical position sensor, and optical encoder (Optical Encoder).
Described optical image vibration abatement, wherein, these many suspension ring lines and this upper reed plate and this time reed have conductivity, as transmitting this call wire of the drive current of focusing assembly automatically; And this optical image vibration abatement more comprises a sensing component; This sensing component is positioned at this compensation assembly below, and this sensing component more comprises: a circuit board and an Image Sensor; Wherein, this Image Sensor is arranged on this circuit board, and is positioned on the same shooting optical axis with this movable part.
The outer string of a musical instrument and an extra boost line after relying on a lengthening respectively between this connecting end out of the ordinary of reed and this outer frame are connected, and an end of this outer string of a musical instrument and this extra boost line all is that the other end that is connected in this connecting end and is somebody's turn to do the outer string of a musical instrument and this extra boost line then is to be connected this outer frame.Utilization should be outer the string of a musical instrument lengthening maximum stress to take place when avoiding falling surpass yield stress again; And then cause this outer string of a musical instrument to produce the permanent deformation situation; And more relying on increases the intensity that this extra boost line is strengthened this outer string of a musical instrument, with this movable part of avoiding this suspension ring line to be suspended in midair the Z axial displacement takes place when falling and surpasses the disappearance of allowing.
Description of drawings
Fig. 1 opens the sketch map of 2002-207148 patent for existing Japanese spy;
Fig. 2 is the perspective exploded view of the utility model optical image vibration abatement;
Fig. 3 is the solid combination sketch map of the utility model optical image vibration abatement;
Fig. 4 is the reed sketch map of the utility model optical image vibration abatement;
Fig. 5 is the reed partial schematic diagram of the utility model optical image vibration abatement;
Fig. 6 is the reed sketch map of existing optical image vibration abatement;
Fig. 7 A and Fig. 7 B are respectively second embodiment and the 3rd embodiment of the suspension ring line of the utility model optical image vibration abatement.
Description of reference numerals: 200a～lens; 201a～optical axis; 202a～lens maintaining part; 203a～camera lens part material; 300a～CIS; 301a～circuit substrate; 400a～403a～flexible portion material; 500a～displacement sensing device; 501a～displacement sensing device; 502a～mobile drive division; 503a～position mobile detection device; 504a～shockproof control part; 1～optical image vibration abatement; 10～this movable part; 101～pedestal; 102～lens bearing seat; 103～coil; 104～magnet; 105～camera lens; 106～upper cover plate; 107～insulating trip; 108～upper reed plate; 1081～outer the string of a musical instrument; 1082～extra boost line; 1085～outer frame; 1086～inside casing portion; 1087～interior the string of a musical instrument; 1088～connecting end; 109～following reed; 110～magnet fixture; 111～X axle magnet; 112～Y axle magnet; 20～compensation assembly; 201～substrate; 202～correcting circuit plate; 203～X axle magnet drives coil; 204～Y axle magnet drives coil; 205～X axial displacement sensor; 206～Y axial displacement sensor; 30～sensing component; 301～circuit board; 302～Image Sensor; 40～housing; 401～perforation; 4～existing reed; 41～outer the string of a musical instrument; 5,5a, 5b～suspension ring line; 51,51a, 51b～binding end; 52,52a, 52b～stiff end; 7～shooting optical axis.
Embodiment
See also Fig. 2, shown in Figure 3, be respectively the perspective exploded view and three-dimensional combination sketch map of the utility model optical image vibration abatement.
The elastic support structure of a kind of optical image vibration abatement of the utility model, definition have an X axle, a Y axle, with three orthogonal directions of a Z axle.Wherein, this optical image vibration abatement 1 includes: a movable part 10, a compensation assembly 20, a sensing component 30 and a plurality of first flexible member 5.In the present embodiment, these a plurality of first flexible members 5 are a plurality of suspension ring lines (following these first flexible members all claim for suspension ring line 5).This movable part 10 is automatically focusing assembly (following this movable part also claim be focusing assembly automatically) or a zoom assembly and be provided with a camera lens 105 in wherein, and these camera lens 105 definition have a shooting optical axis 7.In another embodiment not shown in the figures, this movable part 10 also can be the lens assembly with automatic focusing or zoom function.The surface of this movable part 10 roughly is parallel to each other with the plane that is made up of this X, Y axle.This compensation assembly 20 is corresponding with this movable part 10, and be positioned at same shooting optical axis 7 on, and should the shooting optical axis 7 roughly parallel with the Z axle.A plurality of suspension ring lines 5 (first flexible member) are roughly parallel to the Z axle and extend; And distinctly a binding end 51 of this suspension ring line 5 and a stiff end 52 should focus automatically respectively assembly 10 and this compensation assembly 20 suspend in midair each other along this Z-direction fixing, make simultaneously this automatically focusing assembly 10, this compensation assembly 20 and sensing component 30 can roughly be positioned at same shooting optical axis 7 on.In addition, can also coat by a housing 40, make these assembly 10 pairing these sensing components 30 of focusing automatically can carry out the acquisition of shadow to external world through the perforation 401 on this housing 40 in the outside of this optical image vibration abatement 1.
In the utility model embodiment, this assembly 10 of focusing automatically comprises: a pedestal 101, a lens bearing seat 102, a coil 103, a plurality of magnet 104, a camera lens 105, a upper cover plate 106, an insulating trip 107, one second flexible member 108, once reed 109, a magnet fixture 110, two X axle magnet 111 and two Y axle magnet 112.This compensation assembly 20 be an optics shockproof assembly its can be used for compensating the displacement that this camera lens 15 is caused because of vibrations on this Y axle and this Z axle two directions at least.This compensation assembly 20 comprises: a substrate 201, a correcting circuit plate 202, two X axle magnet drives coils 203, two Y axle magnet drives coils 204, an X axial displacement sensor 205 and a Y axial displacement sensor 206.In the utility model, this second flexible member 108 also is a reed structure and is to be positioned at this top of focusing assembly 10 automatically that therefore, second flexible member of the following stated also is called upper reed plate 108.
Automatically focusing assembly 10 its preferablely can include a voice coil motor (VCM), carrying in this pedestal 101 of focusing assembly 10 automatically in this and be positioned at this lens bearing seat 102 that (is roughly parallel to the Z axle) on this shooting optical axis 7 and has this camera lens 105.And this coil 103 is being twined in these lens bearing seat 102 peripheries; And corresponding with a plurality of magnet 104 that are arranged at these pedestal 101 inner peripheral places, make that these a plurality of magnet 104 can drive this lens bearing seat 102 with these coil 103 collaborative formation one VCM electromagnetic drive components and interior camera lens 105 moves along these shooting optical axis 7 directions are linear.Difference via 103 input current sizes of this coil causes and 104 different field of magnetic forece of mutual generation of this magnet, moves forward and backward on this shooting optical axis 7 to drive this lens bearing seat 102, further reaches the purpose of zoom or focusing.
This lens bearing seat 102 is arranged in this pedestal 101, and by means of each other elasticity activity inner ring on this upper reed plate 108 (second flexible member) and this time reed 109 this lens bearing seat 102 is given resilient clamp; This upper reed plate 108 and this time reed 109 can be metal material and the elastic strip body that is a hollow out flaky texture, process through mechanical stamping shaping or etched mode.106 of this upper cover plates are covered in this lens bearing seat 102 and are incorporated on this pedestal 101, further limit the travel range of this lens bearing seat 102.107 of this insulating trips are between this upper cover plate 106 and this upper reed plate 108, to reach the purpose of insulation.This magnet fixture 110 is arranged at the bottom of this pedestal 101, and corresponding with this compensation assembly 20.Two X axle magnet 111 and two Y axle magnet 112 are relatively arranged on respectively on this magnet fixture 110, and two Y axle magnet 112 lay respectively at the adjacent side of two X axle magnet 111.
This compensation assembly 20 mainly will be somebody's turn to do focusing assembly 10 works moving horizontally perpendicular to this shooting optical axis 7 directions (X axle or Y direction) automatically.This substrate 201 is corresponding with this pedestal 101 of the assembly 10 of should focusing automatically, and this correcting circuit plate 202 is incorporated on this substrate 201, and is electrically connected with this substrate 201.Two X axle magnet drives coils 203 are relatively arranged on this correcting circuit plate 202, and corresponding with two X axle magnet 111; Two Y axle magnet drives coils 204 are relatively arranged on this correcting circuit plate 202, and are positioned at the adjacent side of two X axle magnet drives coils 203, and corresponding with two Y axle magnet 112.This X axial displacement sensor 205 is arranged on this substrate 201, in order to detect one of them side-play amount of two X axle magnet 111; In addition, this Y axial displacement sensor 206 also is arranged on this substrate 201, in order to detect two Y axle magnet 112, one side-play amount wherein.This X axial displacement sensor 205 and Y axial displacement sensor 206 can be by the following displacement sensing element that constituted wherein: Hall sensor (Hall Sensor), mistor sensor (MR Sensor), magnetic flux sensor (Fluxgate), optical position sensor, and optical encoder (Optical Encoder) etc.Though in present embodiment shown in Figure 2, magnet drives coil the 203, the 204th is arranged on the correcting circuit plate 202; Yet in the utility model another embodiment not shown in the figures, those magnet drives coils 203,204 also can be set directly on the substrate 201, just can save correcting circuit plate 202 these elements thus.
This sensing component 30 is positioned at this compensation assembly 20 belows, and this sensing component 30 more comprises: a circuit board 301 and an Image Sensor 302; Wherein, This Image Sensor 302 is arranged on this circuit board 301; And with this automatically focusing assembly 10 be positioned on the same shooting optical axis 7, and via this Image Sensor 302 of this sensing component 30 through this automatically 10 acquisitions of focusing assembly come from extraneous light image.A plurality of suspension ring lines 5 are processed for the pliability wire rod, and these a plurality of suspension ring lines 5 and this upper reed plate 108 and down reed 109 all can have conductivity, can be used as and transmit this call wire of the drive current of focusing assembly 10 automatically.
In the present embodiment, this suspension ring line 5 is preferably four and equidistance and is evenly distributed in this pedestal 101 outsides.And these suspension ring line 5 each other these binding ends 51 are connected on this upper reed plate 108 of this assembly 10 of focusing automatically; And be evenly distributed in four corners, and be incorporated into respectively this upper reed plate 108 behind lengthening an outer string of a musical instrument 1081 and increase newly at least one extra boost line 1082 on.Like Fig. 4 and shown in Figure 5, it is respectively the reed sketch map of the utility model optical image vibration abatement and the local enlarged diagram of this reed.More particularly, this upper reed plate 108 is to be a hollow out flaky texture and to have to comprise: be incorporated into a outer frame 1085 on the pedestal 101 of this movable part 10, be incorporated into an inside casing portion 1086 on the lens bearing seat 102 that is provided with this camera lens 105, extend and be connected at least one between this outer frame 1085 and the inside casing portion 1086 string of a musical instrument 1087 and be positioned at a plurality of connecting ends 1088 on this outer frame 1085; And distinctly this binding end 51 of this suspension ring line 5 is combined in respectively on this connecting end 1088 corresponding with it.In relying on outside one the string of a musical instrument 1081 and 1082 of at least one extra boost lines to be connected between this connecting end 1088 out of the ordinary of this upper reed plate 108 and this outer frame 1085 respectively.Should be outer string of a musical instrument 1081 with should be extra both ends of boost line 1082 all be that the other end that is connected in this connecting end 1088 and this outer string of a musical instrument 1081 and this extra boost line 1082 then is to be connected this outer frame 1085.With present embodiment, this outer frame 1085 of this reed 108 is to be a square structure (may be split into two halves and become two discrete blocks portion elements) and to have four sides and four corners.And distinctly this connecting end 1088 is nearly corner positions that lay respectively at this square outer frame 1085, and should the outer string of a musical instrument 1081 be respectively to be connected on the two adjacent different sides of this outer frame 1085 with this extra boost line 1082.
That is to say that this connecting end 1088 that the string of a musical instrument 1081 and this extra boost line 1082 are linked outside this after 108 4 corners of this upper reed plate are respectively equipped with lengthening is fixed with this binding end 51 that this suspension ring line 5 is provided.And; This extra and sinuous extra boost line 1082 that this upper reed plate 108 is had is connected to this connecting end 1088 and is somebody's turn to do the outer string of a musical instrument 1081 with common connection; In order to strengthen the intensity of this outer string of a musical instrument 1081, avoid this focusing assembly 10 situation that the generation maximum stress surpasses the yield stress of the string of a musical instrument 1081 outside this and then produces permanent deformation (plastic deformation) when falls test automatically.Though extra boost line 1082 quantity that disclosed in the present embodiment are one, in other embodiment, this extra boost line 1082 also can be two or more.In addition, though upper reed plate 108 in this embodiment (second flexible member) is the element of independent separate with many suspension ring lines 5 (first flexible member); But; Among another embodiment that does not show in the drawings; Also can manufacture single element to upper reed plate 108 (second flexible member) and many suspension ring lines 5 (first flexible member) with integrated mode, such as, but be not limited to: rely on punching press or etch process to extend horizontally away suspension ring line 5 backs of one earlier, make each suspension ring line 5 bending downwards 90 degree the bearing of trend of each suspension ring line 5 and the surface of upper reed plate 108 be vertical again at each connecting end 1088 of upper reed plate 108.
Another stiff end 52 approximate vertical Z axle of this suspension ring line 5 and be fixed in this compensation assembly 20 on; Make this automatically focusing assembly 10 at interval predeterminable range suspention be fixed in this compensation assembly 20 on, rely on the characteristic of these suspension ring line 5 materials can make this automatically focusing assembly 10 do perpendicular to mobile on the X axle of this shooting optical axis 7 and the Y direction.The length range of this suspension ring line 5 is for being preferable between 2mm～3mm, and its better length is 2.7mm.The diameter range of this suspension ring line 5 is for being preferable between 0.04mm～0.05mm, and its better diameter value is 0.045mm.In the present embodiment, the young's modulus of the material of this suspension ring line 5 is 120000MPa.
In other words, will be somebody's turn to do automatically focusing assembly 10 (movable part) via four suspension ring lines 5 and suspend in midair with the mode of a predeterminable range at interval and be fixed on this compensation assembly 20, and be positioned on the same shooting optical axis 7 with pairing this sensing component 30 in these compensation assembly 20 belows.Pliability itself that utilize this suspension ring line 5 to be had supports required so that this displacement revisal and gravity that assembly 10 of focusing automatically carries out X axle and Y axle to be provided; Further come sensing focusing assembly 10 and 30 horizontal offsets when shaking of this sensing component automatically by this X axial displacement sensor 205 and Y axial displacement sensor 206; And drive two X axle magnet 111 and the two Y axle magnet of being fixed on this magnet fixture 110 of these assembly 10 belows of focusing automatically 112 respectively through two X axle magnet drives coils 203 on this correcting circuit plate 202 and two Y axle magnet drives coils 204; Revise this assembly 10 of focusing automatically by this perpendicular to X axle on this shooting optical axis 7 and the horizontal side-play amount of Y axle, to reach the purpose that anti-hand shakes and obtain preferable image.
Please consult Fig. 4, Fig. 5 again, with shown in Figure 6, wherein, Fig. 6 is the reed sketch map of existing optical image vibration abatement.The utility model utilizes the length lengthening that is somebody's turn to do the outer string of a musical instrument 1081 of this upper reed plate 108 to avoid that yield stress and then generation permanent deformation (plastic deformation) situation that maximum stress surpasses the string of a musical instrument 1081 outside this takes place when falling test; And rely on this boost line 1082 of this increase to strengthen the intensity of this outer string of a musical instrument 1081; And the length L 2 of this extra boost line 1082 is greater than the following (L2＞L1) of the condition of the length L 1 of this outer string of a musical instrument 1081; The width of this extra boost line 1082 is less than the width of this outer string of a musical instrument 1081 simultaneously, with avoid focusing automatically assembly 10 when leaving standstill because of gravity occur in Z axially downwards displacement surpass the disappearance of allowing.Wherein, according to the industry standard in present technique field, when static condition, this assembly 10 (movable part) of focusing automatically is can meet the requirements required less than the 0.005mm standard because of the downward displacement range of gravity on Z-direction.
Please refer to shown in the table one, table one is the reed of simulation existing optical image vibration abatement as shown in Figure 6 and displacement (mm) the pairing yield stress out of the ordinary of parameter (Mpa) that the suspension ring line causes movable part (assembly of focusing automatically) on X, Y, Z axle, to set when falling experiment.
Table 1
Wherein, As shown in Figure 6; Should only be connected with suspension ring line 5 by existing reed 4, and the yield stress of this suspension ring line 5 itself be roughly 1080Mpa and should have reed 4 yield stress own now roughly between 930～1180Mpa through the single short relatively outer string of a musical instrument 41.Therefore; Being directed to falls produces distance that maximum possible moves and sets the displacement parameter of this movable part simulation X, Y, Z axle in the experiment of falling (X, Y axle be displacement 0.15mm respectively; Z axial displacement 0.1mm), use this existing reed 4 to carry the movable part yield stress that these suspension ring line 5 meetings produce 1945Mpa when shock of a fall and far surpass scope 930～1180Mpa that these suspension ring line 5 yield stress own are allowed; The yield stress that at the same time, should existing reed 4 behind shock of a fall also can produce 1694Mpa far surpasses the yield stress 1080Mpa of this existing reed 4 itself.Therefore, can learn that by the experimental data of originally falling this existing reed 4 all can receive shock of a fall and produce permanent plastic deformation with this suspension ring line 5.
Hold above-mentioned because the stress that the reed 4 of existing optical image vibration abatement and suspension ring line 5 are born in experiment is fallen in simulation all can't be lower than the maximum yield stress (Mpa) of itself.Therefore; Like Fig. 4; The reed of the utility model optical image vibration abatement shown in Figure 5; Refer in particular to and be fixed in this automatically this upper reed plate 108 in focusing assembly 10, in four corner positions of this upper reed plate 108 behind lengthening should the outer string of a musical instrument 1081 and should extra boost line 1082 with this binding end 51 of this suspension ring line 5 carry out fixedly connected, and this stiff end 52 through this suspension ring line 5 will be somebody's turn to do assembly 10 intervals one predeterminable range of focusing automatically suspend in midair be fixed in this compensation assembly 20 on.Rely on this kind design; Can make this automatically the distance that when leaving standstill, moves down of focusing assembly 10 because of gravity less than 0.005mm; And the yield stress that this upper reed plate 108 and this suspension ring line 5 are produced behind shock of a fall all distinctly meets the scope of allowing less than 930～1180Mpa and less than the standard of 1080Mpa yield stress; Make this upper reed plate 108 when not receiving shock of a fall, still have enough dispersive stresses to support focusing assembly 10 automatically; And automatically focusing assembly 10 moves the yield stress that can not surpass this upper reed plate 108 itself when producing distortion, but make these upper reed plate 108 elastic return automatically focusing assembly 10 to original position.
Please refer to shown in the table two, table 2 is the reed of simulation the utility model optical image vibration abatement and displacement (mm) the pairing yield stress out of the ordinary of parameter (Mpa) that the suspension ring line causes movable part (assembly of focusing automatically) on X, Y, Z axle, to set when falling experiment.
Table 2
By learning in the above-mentioned table 2; The upper reed plate 108 of the utility model optical image vibration abatement; At first rely on the outer string of a musical instrument 1081 length of being somebody's turn to do on this upper reed plate 108 of lengthening; Make this outer string of a musical instrument 1081 enough deflections arranged suppressing the deformation after this suspension ring line 5 receives shock of a fall, and then dwindle its maximum yield stress.But; If only with increase to connect this suspension ring line 5 should the outer string of a musical instrument 1081 length but when not increasing extra boost line; (X, Y axle be displacement 0.15mm respectively under the shock of a fall that the displacement parameter of the X that the assembly 10 (movable part) of should focusing is automatically tested through falling, Y, Z axle is set; Z axial displacement 0.1mm), this assembly 10 (movable part) of focusing automatically will be because of gravity own moves down the distance that reaches displacement 0.0152mm under static condition, still can't be less than 0.005mm to meet the specification standards of setting.In other words, if only merely avoid generation permanent deformation when falling experiment, will cause movable part too big in the Z-direction displacement when leaving standstill because the outer string of a musical instrument 1081 is too soft with the mode of the outer string of a musical instrument 1081 length that extend.Therefore; Except the string of a musical instrument 1081 length that extend outer, also must rely on and increase by an extra boost line 1082; Impulsive force when assisting this outer string of a musical instrument 1081 to support the weight of this automatic focusing assembly 10 and fall experiment; And the length L 1 of this extra boost line 1082 must so just can not influence the deformation quantity of this outer string of a musical instrument 1081 greater than the length L 2 of this outer string of a musical instrument 1081.These upper reed plate 108 thickness preferred range are between 0.3mm～0.5mm, and its better length is 0.4mm; The young's modulus of this upper reed plate 108 is 127000MPa.
Please join shown in the table 2 again; Via increasing this extra boost line 1082 and cooperating lengthening to be somebody's turn to do the outer string of a musical instrument 1081 length; (L2＞L1) is under the shock of a fall that the displacement parameter of the X of the experiment of falling, Y, Z axle is set (X, Y axle be displacement 0.15mm respectively, Z axial displacement 0.1mm) greater than the situation of the length of this outer string of a musical instrument 1081 following for the length that makes this extra boost line 1082; The yield stress of this suspension ring line 5 is 929.5Mpa, and the yield stress of this upper reed plate 108 is 880.9Mpa; In addition, (X, Y axle be displacement 0.15mm respectively, and the Z axial displacement-0.1mm), the yield stress of this suspension ring line 5 is 912.2Mpa, and the yield stress of this upper reed plate 108 is 934.5Mpa under the shock of a fall that the displacement parameter of the X that tests in falling, Y, Z axle is set; The yield stress that below all meets this suspension ring line 5 is less than the yield stress of permissible range 930～1180Mpa and this upper reed plate 108 standard less than 1080Mpa.In addition, the movable part 10 under static condition is that 0.00386mm also meets the specification standards of Z axle displacement less than the 0.005mm moving range because of the distance of the Z axial displacement that gravity own caused, and has obviously overcome the disadvantages of prior art.
See also shown in Fig. 7 A and Fig. 7 B, be respectively second embodiment and the 3rd embodiment of the suspension ring line of the utility model optical image vibration abatement.The suspension ring line embodiment of the utility model optical image vibration abatement; Except as Fig. 2 and shown in Figure 3 as along the single line shape structure that Z-direction is extended, can also be to have as second embodiment shown in Fig. 7 A to have the suspension ring line 5b structure of the flexible portion of spring-like in the shape of a spiral as suspension ring line 5a structure or the 3rd embodiment shown in Fig. 7 B of S-shaped circuitous flexible portion repeatedly.The upper end (binding end 51a, 51b) of this suspension ring line 5a, 5b and lower end (stiff end 52a, 52b) are to be combined in respectively on the substrate 201 of connecting end 1088 and compensation assembly 20 of upper reed plate 108 equally.S-shaped circuitous repeatedly or this flexible portion of spring-like has on the horizontal direction of X-Y axle the relatively large pliability except making suspension ring line 5a, 5b in the shape of a spiral, more tolerable suspension ring line 5a, 5b have the extension ability of a little on Z-direction.
But only above-described embodiment shall not be applied to the range of application of restriction the utility model, and the scope that the protection range of the utility model should be included with the claim content institute definition techniques spirit and the impartial variation thereof of the utility model is main.
Claims (10)
1. the elastic support structure of an optical image vibration abatement; This optical image vibration abatement includes a movable part, a compensation assembly and a plurality of first flexible member, and definition has an orthogonal X axle, a Y axle and a Z-direction on this optical image vibration abatement; Be provided with a camera lens in this movable part, this camera lens definition has a shooting optical axis, and the optical axis of should making a video recording is parallel with this Z axle; The two ends of this first flexible member out of the ordinary are connected to this movable part and this compensation assembly, and this movable part is fixed on this compensation assembly along this Z-direction suspention; Be provided with at least one second flexible member in this movable part; This second flexible member has: be incorporated into this movable part an outer frame, be incorporated into this camera lens an inside casing portion, extend and be connected at least one between this outer frame and the inside casing portion string of a musical instrument and be positioned at a plurality of connecting ends on this outer frame, distinctly an end of this first flexible member is combined in respectively on this connecting end corresponding with it; It is characterized in that:
In relying on outside one the string of a musical instrument and at least one extra boost line to be connected between this connecting end out of the ordinary of this second flexible member and this outer frame respectively; This outer string of a musical instrument all is to be connected in this connecting end with an end of this extra boost line, and the other end of this outer string of a musical instrument and this extra boost line then is to be connected this outer frame.
2. the elastic support structure of optical image vibration abatement as claimed in claim 1 is characterized in that: the length of this extra boost line is greater than the length of this outer string of a musical instrument; Element or integrated single element that this second flexible member and a plurality of this first flexible member are independent separate; This first flexible member is a suspension ring line, and the structure of this suspension ring line is the single line shape structure of extending along this Z-direction, has the suspension ring line structure of S-shaped circuitous flexible portion repeatedly or have the suspension ring line structure of the flexible portion of spring-like in the shape of a spiral.
3. the elastic support structure of optical image vibration abatement as claimed in claim 1; It is characterized in that: this second flexible member is a reed; This outer frame of this reed is to be a square structure and to have at least two adjacent side; This connecting end out of the ordinary is a nearly corner positions that lays respectively at this square outer frame, and should the outer string of a musical instrument be respectively to be connected on the two adjacent different sides of this outer frame with this extra boost line.
4. the elastic support structure of optical image vibration abatement as claimed in claim 3 is characterized in that: described this reed is a upper reed plate, and this movable part is an automatic focusing assembly, and it comprises:
One pedestal;
One lens bearing seat is arranged in this pedestal;
One coil is arranged at the periphery of this lens bearing seat;
A plurality of magnet are positioned at the peripheral region of this pedestal, and corresponding with this coil; These a plurality of magnet and this coil be collaborative to be constituted an electromagnetic drive component and can drive this lens bearing seat and move along this shooting optical axis direction;
One camera lens is positioned on this shooting optical axis, and is arranged in this lens bearing seat;
One upper cover plate is covered on this lens bearing seat;
One insulating trip is between this upper cover plate and this upper reed plate;
Once reed is positioned at this pedestal, and with this upper reed plate this lens bearing seat is given resilient clamp;
One magnet fixture is arranged at the bottom of this pedestal, and corresponding with this compensation assembly;
Two X axle magnet are relatively arranged on this magnet fixture; And
Two Y axle magnet are relatively arranged on this magnet fixture, and are positioned at the adjacent side of two X axle magnet;
And this compensation assembly is an optics shockproof assembly and comprises:
One substrate has a circuit loop and corresponding with this pedestal;
One correcting circuit plate is incorporated on this substrate, and is electrically connected with this substrate;
Two X axle magnet drives coils are relatively arranged on this correcting circuit plate, and corresponding with two X axle magnet;
Two Y axle magnet drives coils are relatively arranged on this correcting circuit plate, and are positioned at the adjacent side of two X axle magnet drives coils, and corresponding with two Y axle magnet;
One X axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two X axle magnet; And
One Y axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two Y axle magnet;
Wherein, this X axial displacement sensor and Y axial displacement sensor are following one of them displacement sensing elements that is constituted: Hall sensor, mistor sensor, magnetic flux sensor, optical position sensor, and optical encoder.
5. the elastic support structure of optical image vibration abatement as claimed in claim 4 is characterized in that: these many suspension ring lines and this upper reed plate and this time reed have conductivity, as transmitting this call wire of the drive current of focusing assembly automatically; And this optical image vibration abatement more comprises a sensing component; This sensing component is positioned at this compensation assembly below, and this sensing component more comprises: a circuit board and an Image Sensor; Wherein, this Image Sensor is arranged on this circuit board, and is positioned on the same shooting optical axis with this movable part.
6. optical image vibration abatement is characterized in that: definition has an orthogonal X axle, a Y axle and a Z-direction and includes on this optical image vibration abatement:
One movable part, being provided with its definition of a camera lens in this movable part has a shooting optical axis, and the optical axis of should making a video recording is parallel with this Z axle;
One compensation assembly, it is an optics shockproof assembly, is used to compensate the displacement that this camera lens is caused because of vibrations on this Y axle and this Z axle two directions at least; And
A plurality of first flexible members, distinctly the two ends of this first flexible member are connected to this movable part and this compensation assembly, and this movable part is fixed on this compensation assembly along this Z-direction suspention;
Wherein, Be provided with at least one second flexible member in this movable part; This second flexible member has: be incorporated into this movable part an outer frame, be incorporated into this camera lens an inside casing portion, extend and be connected at least one between this outer frame and the inside casing portion string of a musical instrument and be positioned at a plurality of connecting ends on this outer frame, distinctly an end of this first flexible member is combined in respectively on this connecting end corresponding with it; And; Rely on an outer string of a musical instrument and at least one extra boost line to be connected respectively between this connecting end out of the ordinary of this second flexible member and this outer frame, an end of this outer string of a musical instrument and this extra boost line all is that the other end that is connected in this connecting end and this outer string of a musical instrument and this extra boost line then is to be connected this outer frame.
7. optical image vibration abatement as claimed in claim 6 is characterized in that: the length of this extra boost line is greater than the length of this outer string of a musical instrument; And, element or integrated single element that this second flexible member and a plurality of this first flexible member are independent separate; This first flexible member is a suspension ring line, and the structure of this suspension ring line is the single line shape structure of extending along this Z-direction, has the suspension ring line structure of S-shaped circuitous flexible portion repeatedly or have the suspension ring line structure of the flexible portion of spring-like in the shape of a spiral.
8. optical image vibration abatement as claimed in claim 6; It is characterized in that: this second flexible member is a reed; This outer frame of this reed is to be a square structure and to have at least two adjacent side; This connecting end out of the ordinary is a nearly corner positions that lays respectively at this square outer frame, and should the outer string of a musical instrument be respectively to be connected on the two adjacent different sides of this outer frame with this extra boost line.
9. optical image vibration abatement as claimed in claim 8 is characterized in that: described this reed is a upper reed plate, and this movable part is an automatic focusing assembly, and it comprises:
One pedestal;
One lens bearing seat is arranged in this pedestal;
One coil is arranged at the periphery of this lens bearing seat;
A plurality of magnet are positioned at the peripheral region of this pedestal, and corresponding with this coil; These a plurality of magnet and this coil be collaborative to be constituted an electromagnetic drive component and can drive this lens bearing seat and move along this shooting optical axis direction;
One camera lens is positioned on this shooting optical axis, and is arranged in this lens bearing seat;
One upper cover plate is covered on this lens bearing seat;
One insulating trip is between this upper cover plate and this upper reed plate;
Once reed is positioned at this pedestal, and with this upper reed plate this lens bearing seat is given resilient clamp;
One magnet fixture is arranged at the bottom of this pedestal, and corresponding with this compensation assembly;
Two X axle magnet are relatively arranged on this magnet fixture; And
Two Y axle magnet are relatively arranged on this magnet fixture, and are positioned at the adjacent side of two X axle magnet;
And this compensation assembly is an optics shockproof assembly and comprises:
One substrate has a circuit loop and corresponding with this pedestal;
One correcting circuit plate, be incorporated into this substrate on, and be electrically connected with this substrate;
Two X axle magnet drives coils are relatively arranged on this correcting circuit plate, and corresponding with two X axle magnet;
Two Y axle magnet drives coils are relatively arranged on this correcting circuit plate, and are positioned at the adjacent side of two X axle magnet drives coils, and corresponding with two Y axle magnet;
One X axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two X axle magnet; And
One Y axial displacement sensor is arranged on this substrate, in order to detect one of them side-play amount of two Y axle magnet;
Wherein, this X axial displacement sensor and Y axial displacement sensor are following one of them displacement sensing elements that is constituted: Hall sensor, mistor sensor, magnetic flux sensor, optical position sensor, and optical encoder.
10. optical image vibration abatement as claimed in claim 9 is characterized in that: these many suspension ring lines and this upper reed plate and this time reed have conductivity, as transmitting this call wire of the drive current of focusing assembly automatically; And this optical image vibration abatement more comprises a sensing component; This sensing component is positioned at this compensation assembly below, and this sensing component more comprises: a circuit board and an Image Sensor; Wherein, this Image Sensor is arranged on this circuit board, and is positioned on the same shooting optical axis with this movable part.
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| CN2011204527909U CN202334715U (en) | 2011-11-15 | 2011-11-15 | Elastic support structure for optical image vibration prevention device and optical image vibration prevention device |
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| CN2011204527909U CN202334715U (en) | 2011-11-15 | 2011-11-15 | Elastic support structure for optical image vibration prevention device and optical image vibration prevention device |
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